AP10ThingsToSee - Daniel Zambrano, of Tijuana, Mexico, holds one of the bars that make up the border wall separating the U.S. and Mexico where the border meets the Pacific Ocean, Thursday, June 13, 2013 in San Diego. Illegal immigration into the United States would decrease by only 25 percent under a far-reaching Senate immigration bill, according to an analysis by the Congressional Budget Office that also finds the measure reduces federal deficits by billions. (AP Photo/Gregory Bull, File)

FILE - In this Aug. 28, 2006 file photo, a shot of aged Tequila Herradura with a lemon and salt fixings sit on a bar in front of bottles of white and aged Tequila Herradura in Mexico City, Mexico. Agave farmers see the expansion of China’s middle class as their ticket to more sales. (AP Photo/Dario Lopez-Mills, File)

Riot police aim their weapons at protesters gathering near Castelao stadium in Fortaleza, Brazil, Wednesday, June 19, 2013. Protesters cut off the main access road to the stadium where Brazil will play Mexico in the Confederations Cup soccer tournament later Wednesday. Beginning as protests against bus fare hikes, the demonstrations have quickly ballooned to include broad middle-class outrage over the failure of governments to provide basic services and ensure public safety. The sign held by a woman at left reads in Portuguese "the people are not idiots, and Dilma go to hell."(AP Photo/Andre Penner)

FILE - This June 19, 2013 photo, a masked protester walks away from a burning barricade near the Castelao stadium in Fortaleza, Brazil. Protesters cut off the main access road to the stadium where Brazil plays Mexico in the Confederations Cup soccer tournament later Wednesday. Beginning as protests against bus fare hikes, the demonstrations have quickly ballooned to include broad middle-class outrage over the failure of governments to provide basic services and ensure public safety. (AP Photo/Andre Penner, File)

FILE - This June 19, 2013 photo, a protestor uses a cardboard box as a shield against rubber bullets during clashes with riot police near the Castelao stadium in Fortaleza, Brazil. Protesters cut off the main access road to the stadium where Brazil goes up against Mexico in the Confederations Cup soccer tournament. Beginning as protests against bus fare hikes, demonstrations have quickly ballooned to include broad middle-class outrage over the failure of governments to provide basic services and ensure public safety. (AP Photo/Andre Penner, File)